cambrian
Fossilized Brains Called into Question, Might be Microbes
Fossilized Brains Called into Question, Might be Microbes
Abby Olena | Apr 11, 2018
Authors of a new study suggest that 520-million-year-old structures, previously identified as the brains of ancient arthropods, are instead preserved microbial biofilms.
Image of the Day: Ancient Worm
Image of the Day: Ancient Worm
The Scientist Staff | Apr 9, 2017
Unlike related species, Ovatiovermis cribratus, a lobopodian from the Cambrian period, did not have a hard, protective shell.
Earliest Deuterostome Fossils Described
Earliest Deuterostome Fossils Described
Kerry Grens | Jan 31, 2017
These millimeter-size sea creatures lived 540 million years ago.
Marine Life Trending Larger
Marine Life Trending Larger
Bob Grant | Feb 23, 2015
Ocean animals have been getting bigger over the millennia, according to an analysis of thousands of genera that have plied Earth’s seas since the Cambrian Period.